The most common and most likely answer to this crossword clue is the 3 plus 4 letter word TOO MUCH
T
O
O
M
U
C
H
More clues leading to the result TOO MUCH
- Intolerable as order to cut finger
- Impress, admitting award is excessive
- In a sense the doctor was sent back as redundant
- Old maiden in tactile experience gets more than is wanted
- Feel restraining order is excessive
- Excessive feeling with Maureen upset inside
- American expression of approval of contact about award
- Unwarranted award out of play?
- Adding old money to small amount makes it an excessive amount
- Only male in contact — more than what one can take
Buddy explains!

The straight part
We know that "American expression of approval" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case american expression of approval = too much.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.